Several years ago, the NY Times had an article by a fellow hired to work for Jeff Koons, who apparently designs but does not produce "his" work, something well known to those who care. The gig ended in failure, when the piece he was working on toppled. Koons apparently held no grudge.
Anyway, you could look it up: https://www.nytimes.com/2012/08/19/magazine/i-was-jeff-koons...